chore(deps): bump mlua from 0.8.6 to 0.8.7 (#15821)

Bumps [mlua](https://github.com/khvzak/mlua) from 0.8.6 to 0.8.7.
- [Release notes](https://github.com/khvzak/mlua/releases)
- [Changelog](https://github.com/khvzak/mlua/blob/v0.8.7/CHANGELOG.md)
- [Commits](https://github.com/khvzak/mlua/compare/v0.8.6...v0.8.7)

---
updated-dependencies:
- dependency-name: mlua
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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